COUNTY

Harmony Museum, 218 Mercer St., Harmony, will have its annual Antique Gun Show from 9 a.m. to 2 p.m. Saturday in Stewart Hall adjacent to the Harmony museum. Admission is $5; children younger than 12 are admitted free if accompanied by an adult. Call 724-452-7341.

PITTSBURGH

Carnegie Science Center on the North Side will host activities for the partial eclipse that starts in Pittsburgh at 1:10 p.m. Aug. 21, when the sun is almost directly overhead.

Fort Pitt Museum in Point State Park presents “From Maps to Mermaids: Carved Powder Horns in Early America” through Jan. 14. Admission to the museum is $7 for adults, $6 for senior citizens, $4 for retired and active military, and $3.50 for students with a valid ID and children ages 6 to 17. The museum is open from 10 a.m. to 5 p.m. daily. Call 412-454-6415 or visit www.heinzhistorycenter.org.